1*2c2f96dcSApple OSS Distributions /*
2*2c2f96dcSApple OSS Distributions * Copyright (c) 2011 Apple Inc. All rights reserved.
3*2c2f96dcSApple OSS Distributions *
4*2c2f96dcSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@
5*2c2f96dcSApple OSS Distributions *
6*2c2f96dcSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*2c2f96dcSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*2c2f96dcSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*2c2f96dcSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at
10*2c2f96dcSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this
11*2c2f96dcSApple OSS Distributions * file.
12*2c2f96dcSApple OSS Distributions *
13*2c2f96dcSApple OSS Distributions * The Original Code and all software distributed under the License are
14*2c2f96dcSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*2c2f96dcSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*2c2f96dcSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*2c2f96dcSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*2c2f96dcSApple OSS Distributions * Please see the License for the specific language governing rights and
19*2c2f96dcSApple OSS Distributions * limitations under the License.
20*2c2f96dcSApple OSS Distributions *
21*2c2f96dcSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@
22*2c2f96dcSApple OSS Distributions */
23*2c2f96dcSApple OSS Distributions #include <sys/cdefs.h>
24*2c2f96dcSApple OSS Distributions #include <sys/types.h>
25*2c2f96dcSApple OSS Distributions #include <stdarg.h>
26*2c2f96dcSApple OSS Distributions #include <sys/fcntl.h>
27*2c2f96dcSApple OSS Distributions #include <sys/errno.h>
28*2c2f96dcSApple OSS Distributions #include <sys/content_protection.h>
29*2c2f96dcSApple OSS Distributions
30*2c2f96dcSApple OSS Distributions int __open_dprotected_np(const char* path, int flags, int class, int dpflags, int mode);
31*2c2f96dcSApple OSS Distributions int __openat_dprotected_np(int fd, const char* path, int flags, int class, int dpflags, int mode, int authfd);
32*2c2f96dcSApple OSS Distributions
33*2c2f96dcSApple OSS Distributions int
open_dprotected_np(const char * path,int flags,int class,int dpflags,...)34*2c2f96dcSApple OSS Distributions open_dprotected_np(const char *path, int flags, int class, int dpflags, ...)
35*2c2f96dcSApple OSS Distributions {
36*2c2f96dcSApple OSS Distributions int mode = 0;
37*2c2f96dcSApple OSS Distributions
38*2c2f96dcSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
39*2c2f96dcSApple OSS Distributions errno = EINVAL;
40*2c2f96dcSApple OSS Distributions return -1;
41*2c2f96dcSApple OSS Distributions }
42*2c2f96dcSApple OSS Distributions
43*2c2f96dcSApple OSS Distributions if (flags & O_CREAT) {
44*2c2f96dcSApple OSS Distributions va_list ap;
45*2c2f96dcSApple OSS Distributions va_start(ap, dpflags);
46*2c2f96dcSApple OSS Distributions mode = va_arg(ap, int);
47*2c2f96dcSApple OSS Distributions va_end(ap);
48*2c2f96dcSApple OSS Distributions }
49*2c2f96dcSApple OSS Distributions return __open_dprotected_np(path, flags, class, dpflags, mode);
50*2c2f96dcSApple OSS Distributions }
51*2c2f96dcSApple OSS Distributions
52*2c2f96dcSApple OSS Distributions int
openat_dprotected_np(int fd,const char * path,int flags,int class,int dpflags,...)53*2c2f96dcSApple OSS Distributions openat_dprotected_np(int fd, const char *path, int flags, int class, int dpflags, ...)
54*2c2f96dcSApple OSS Distributions {
55*2c2f96dcSApple OSS Distributions int mode = 0;
56*2c2f96dcSApple OSS Distributions
57*2c2f96dcSApple OSS Distributions if (dpflags & O_DP_AUTHENTICATE) {
58*2c2f96dcSApple OSS Distributions errno = EINVAL;
59*2c2f96dcSApple OSS Distributions return -1;
60*2c2f96dcSApple OSS Distributions }
61*2c2f96dcSApple OSS Distributions
62*2c2f96dcSApple OSS Distributions if (flags & O_CREAT) {
63*2c2f96dcSApple OSS Distributions va_list ap;
64*2c2f96dcSApple OSS Distributions va_start(ap, dpflags);
65*2c2f96dcSApple OSS Distributions mode = va_arg(ap, int);
66*2c2f96dcSApple OSS Distributions va_end(ap);
67*2c2f96dcSApple OSS Distributions }
68*2c2f96dcSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, class, dpflags, mode, AUTH_OPEN_NOAUTHFD);
69*2c2f96dcSApple OSS Distributions }
70*2c2f96dcSApple OSS Distributions
71*2c2f96dcSApple OSS Distributions int
openat_authenticated_np(int fd,const char * path,int flags,int authfd)72*2c2f96dcSApple OSS Distributions openat_authenticated_np(int fd, const char *path, int flags, int authfd)
73*2c2f96dcSApple OSS Distributions {
74*2c2f96dcSApple OSS Distributions if (flags & O_CREAT) {
75*2c2f96dcSApple OSS Distributions errno = EINVAL;
76*2c2f96dcSApple OSS Distributions return -1;
77*2c2f96dcSApple OSS Distributions }
78*2c2f96dcSApple OSS Distributions
79*2c2f96dcSApple OSS Distributions if ((authfd != AUTH_OPEN_NOAUTHFD) && (authfd < 0)) {
80*2c2f96dcSApple OSS Distributions errno = EBADF;
81*2c2f96dcSApple OSS Distributions return -1;
82*2c2f96dcSApple OSS Distributions }
83*2c2f96dcSApple OSS Distributions
84*2c2f96dcSApple OSS Distributions return __openat_dprotected_np(fd, path, flags, PROTECTION_CLASS_DEFAULT, O_DP_AUTHENTICATE, 0, authfd);
85*2c2f96dcSApple OSS Distributions }
86